Collaborative Stage for TNM 7 - Revised 11/12/2010 [ Schema ]
| Code | Description | 
| 001-050 | Mean diameter of 10 largest nucleoli in tenths of micrometers | 
| 988 | Not applicable: Information not collected for this case (If this information is required by your standard setter, use of code 988 may result in an edit error.)  | 
| 991 | Lowest quartile for laboratory | 
| 992 | Second quartile for laboratory | 
| 993 | Third quartile for laboratory | 
| 994 | Highest quartile for laboratory | 
| 997 | Test performed, unknown results | 
| 998 | Test not done (test not ordered and not performed) | 
| 999 | Unknown or no information Not documented in patient record  |